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authorUlrich Weber <uweber@astaro.com>2010-11-01 08:23:04 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2010-12-09 13:24:19 -0800
commit1d58c9a17dc76d4ae75e9f63417be0e6de48bb48 (patch)
treec6eafcbd92a3b04c9513831ca29aff1ef12d597e
parent62a6deb643c058b1ad01b0c65f694822f90d2bf5 (diff)
xfrm4: strip ECN and IP Precedence bits in policy lookup
[ Upstream commit 94e2238969e89f5112297ad2a00103089dde7e8f ] dont compare ECN and IP Precedence bits in find_bundle and use ECN bit stripped TOS value in xfrm_lookup Signed-off-by: Ulrich Weber <uweber@astaro.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--net/ipv4/xfrm4_policy.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index c63de0a72aba..e4454c962644 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -69,7 +69,7 @@ __xfrm4_find_bundle(struct flowi *fl, struct xfrm_policy *policy)
if (xdst->u.rt.fl.oif == fl->oif && /*XXX*/
xdst->u.rt.fl.fl4_dst == fl->fl4_dst &&
xdst->u.rt.fl.fl4_src == fl->fl4_src &&
- xdst->u.rt.fl.fl4_tos == fl->fl4_tos &&
+ !((xdst->u.rt.fl.fl4_tos ^ fl->fl4_tos) & IPTOS_RT_MASK) &&
xfrm_bundle_ok(policy, xdst, fl, AF_INET, 0)) {
dst_clone(dst);
break;
@@ -81,7 +81,7 @@ __xfrm4_find_bundle(struct flowi *fl, struct xfrm_policy *policy)
static int xfrm4_get_tos(struct flowi *fl)
{
- return fl->fl4_tos;
+ return IPTOS_RT_MASK & fl->fl4_tos; /* Strip ECN bits */
}
static int xfrm4_init_path(struct xfrm_dst *path, struct dst_entry *dst,